You gatecrash my sister's wedding, break off my engagement... my dad is popping BP pills because of you... and here I am, helping you!

And they say they are ardent apostles of Adam Smith: competition is great, we're all in it individually, government doesn't help us.

(Laughter) There was a very important study done a while ago at Princeton Theological Seminary that speaks to why it is that when all of us have so many opportunities to help, we do sometimes, and we don't other times.

He writes, "Without the aid of prejudice and custom, I should not be able to find my way my across the room; nor know how to conduct myself in any circumstances, nor what to feel in any relation of life."

And when they're done, we're going to hit "Go, " and robots will start 3D printing in stainless steel, and then they're going to keep printing, without human intervention, until the bridge is finished.

These people have been through a lot and none of us, most of all me, helped them when they were on the verge of destroying each other.